How much of a commodity a consumer buy will not depend upon which of the following factor?

none of these

The correct answer is Option 4: none of these

All the given factors influence how much of a commodity a consumer buys,

Any rational consumer would consider the price of the commodity before buying it. Apart from this, his consumption further depends on the marginal utility he gets when he consume additional units of the same commodity. His desire to further consume the good will highly depend on the fact, that what additional utility does the good offer. Marginal utility of a money that is held constant because it acts as a measuring unit also decides how much of a commodity a consumer buys.